Ferawati, Meily, Irpan Husein Lubis, Erniyanti Erniyanti, and Markus Gunawan. “Juridical Analysis of Legal Protection for the Implementation of Option Agreements for Foreign Citizens (foreign Nationals) in Apartment Ownership (research Study: Apartments in Batam City”. Annals of Justice and Humanity 5, no. 1 (September 9, 2025): 27–38. Accessed December 30, 2025. https://goodwoodpub.com/index.php/ajh/article/view/3435.